These Carli CS-DFSP-19-D-ALAS Full Progressive Rear Leaf Springs for the Ram 3500 with factory air assist are manufactured by Deaver Spring Mfg, in exclusive partnership with Carli Suspension. These springs represent a two-stage design, carefully balancing the truck's weight-carrying capacity while delivering a smooth and comfortable ride on city streets. They are engineered for optimal comfort, whether you're navigating urban roads or tackling off-road terrain.

To accomidate the Ram 3500 models with factory air assist Carli has included relocation brackets for the air bag, senor and airtank.

Features & Benefits:

• Softens the initial spring rate at ride height
• Includes sensor, bag and airtank relocation along with air line, hardware and fitting
• Two-stage design for a balance of weight capacity and comfort
• Deaver Spring Mfg partners exclusively with Carli Suspension
• Includes: driver and passenger rear leaf springs along with ubolts with hardware
• Suitable for Daily Drivers and Weekend Warriors, perfect for work and play
• Provides a 1-inch rear lift, maintaining a slight rear high stance with Carli 3-inch Systems
• Minimizes issues like axle wrap and wheel hop